Application Engineer Interview Questions

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Round 1: Write a SQL query on a large database, such as Facebook’s, to retrieve the top 5 customers for the last week, last month, and last year. Then, create an ER diagram, followed by the tables and their relationships.
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Application Engineer

Interviewed at IDFC FIRST Bank

4.1
Oct 16, 2025

Round 1: Write a SQL query on a large database, such as Facebook’s, to retrieve the top 5 customers for the last week, last month, and last year. Then, create an ER diagram, followed by the tables and their relationships.

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